Participant characteristics, joint mobility scores and trunk muscle strength/endurance
| Variable | Hypermobile (n=12) | Control (n=12) |
| Age, year | 22 (2) | 23 (2) |
| Height, cm | 172.5 (7.7) | 170.7 (7.3) |
| Weight, kg | 64.0 (8.8) | 64.6 (9.0) |
| Transversus abdominis area, cm2 | 2.63 (1.23) | 2.56 (1.28) |
| Beighton score, 0–9 points | 7.7 (1.2) | 1.3 (1.1)‡ |
| Belavy-Owen-Mitchell score, 0–9 points | 8.4 (0.5) | 4.9 (1.0)‡ |
| Trunk flexion strength, kg | 15.4 (5.9) | 12.1 (4.8) |
| Trunk extension strength, kg | 15.0 (4.8) | 13.6 (6.1) |
| Trunk flexion endurance, s | 475.8 (281.6) | 270.1 (162.1)* |
| Trunk extension endurance, s | 155.4 (37.5) | 172.9 (55.9) |
Data are mean (SD). *P<0.05, ‡ p<0.001 compared between groups.